make fit for cultivation, domestic life, and service to humans; "The horse was domesticated a long time ago"; "The wolf was tamed and evolved into the house dog"
overcome the wildness of; make docile and tractable; "He tames lions for the circus"; "reclaim falcons"
adapt (a wild plant or unclaimed land) to the environment; "domesticate oats"; "tame the soil"
acceleration of a chemical reaction induced the presence of material that is chemically unchanged at the end of the reaction; "of the top 50 commodity chemicals, 30 are created directly by catalysis and another 6 are made from raw materials that are catalytically produced"
a tentative theory about the natural world; a concept that is not yet verified but that if true would explain certain facts or phenomena; "a scientific hypothesis that survives experimental testing becomes a scientific theory"; "he proposed a fresh theory of alkalis that later was accepted in chemical practices"
a proposal intended to explain certain facts or observations